The AirTAC Airtac PHF Tandem Toggle Joint PHF804 is a genuine universal female elbow for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PHF804 is an AirTAC PHF universal female elbow, a one-touch fitting that connects Dia 8 mm soft nylon or polyurethane tubing into a 1/2 in PT female thread. Because the thread is female, the fitting screws onto a male stud on the machine, and the universal elbow shape lets the tube exit at whatever angle the run needs. Push the tube home and the internal chuck grips it; press the release ring and the tube comes free for rework.
This is a resin-series part, not the metal BPC line. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), vacuum down to -750 mmHg, proof pressure 1.5 MPa, and the temperature window is -20 to +70 C. The body is PBT on a brass stud, the release button and chuck are POM, and the O-ring is NBR. AirTAC ships the thread pre-coated with sealant, so the joint is ready to make up without extra tape. For corrosive or copper-free environments, a PHF804-S exists, but note that on PHF parts only the stud becomes SUS304 - the body stays PBT.
| Model | Airtac PHF Tandem Toggle Joint PHF804 |
|---|---|
| Type | Universal female elbow |
| Series | PHF |
| Connection | Push-in one-touch |
| Working pressure | 0 - 1.0 MPa (0 - 10 kgf/cm2) |
|---|---|
| Negative pressure | -750 mmHg (10 Torr) |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Applicable tubing | Soft nylon or polyurethane tube |
| Thread standard | PT (Rc tapered) unless the code says otherwise |
POM release button and chuck, aluminium-alloy guide, stainless spring gasket, NBR O-ring; body brass or PBT depending on the part. AirTAC publishes flow as a characteristic curve rather than a single figure, so no L/min value is listed.
| PHF | Universal female elbow. |
|---|---|
| 4 / 6 / 8 / 10 / 12 | Tube outside diameter in mm (3.2 mm exists on the mini series). |
| M5 / 01 / 02 / 03 / 04 | Thread: M5x0.8, 1/8", 1/4", 3/8", 1/2" (M3 on the mini series). |
| D | Black. Blank = grey. |
Screwed onto the male stud of a pick-and-place cylinder on a carton packing line, the female elbow angles the 8 mm supply line away from the guard rail without kinking the tube.
On a 1/2 in PT outlet of an air preparation manifold feeding a palletiser, the swivelling elbow lets the tube route horizontally along the frame instead of straight out of the port.
Fitted at the drive end of a sorting conveyor where the pneumatic actuator stud sits close to the side rail, giving a sealed 1/2 in joint and an angled 8 mm tube exit in the tight space.
Dia 8 mm on a 1/2 in thread is the smallest tube that AirTAC makes on this thread for the PHF, so there is no Dia 6 sibling at 04. Step down by changing thread instead: PHF803 gives the same Dia 8 tube on a 3/8 in port, and PHF603 drops the tube to Dia 6 on 3/8 in. The step up is PHF1004, which takes the same 1/2 in thread to Dia 10 mm tube and moves more air through a wider bore. Match the fitting to the tube outside diameter exactly - a Dia 8 chuck will not seal on 5/16 in or 10 mm tube, however close it looks.
Pick a universal female elbow when the tube has to leave a male-threaded port at an angle that is not 90 degrees fixed, for example where the run must clear a bracket before turning. If the port itself is female, you need the PH male elbow with a male thread instead; if the tube must pass through a panel, the PMF bulkhead connector is the right shape.
Quick checklist
It is a one-touch universal female elbow for Dia 8 mm tube with a 1/2 in PT female thread. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), negative pressure -750 mmHg (10 Torr), proof pressure 1.5 MPa and operating temperature -20 to +70 C. It suits soft nylon or polyurethane tubing and the standard body colour is grey, with a D suffix ordering code available in black.
No. AirTAC's PHF ladder only offers Dia 8, 10 and 12 mm tubes on the 1/2 in thread, so Dia 6 does not exist at 04. To run 6 mm tube, step the thread down to 3/8 in and order PHF603, or keep the Dia 8 tube size and use the PHF803 on a 3/8 in port. AirTAC publishes no flow figures for these fittings, only characteristic curves, so size the line by tube bore rather than a quoted Cv value.
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